212 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
branches of the Chattahoochee system, which, under the local names, 
of Deep Creek and Soque River, continues the southwesterly course 
started by the Chattooga. It has been considered that the Chattooga 
River formerly continued southwest by way of Deep Creek, Soque 
River, and the Chattahoochee River into the Gulf of Mexico; that 
it was diverted into the Savannah River by a process of stream cap¬ 
ture; and that the sharp bend in the course of the stream and the 
falls and gorge on the Tallulah River are due to this capture. 
In the spring of 1905 the writer visited the region in question, 
and spent several weeks in studying the geologic and physiographic 
Fig. 1.— Location map. 
features, with special reference to the supposed changes in drainage. 
The area examined is in western South Carolina and northeastern 
Georgia, and for the most part lies within the limits of the Walhalla 
(South Carolina) sheet of the United States topographic atlas. This 
sheet, however, is marked “reconnaissance map,” and contains many 
inaccuracies, and hence is of little aid in our study because it does 
not show such critically important points as the great contrast between 
the deep gorges of Little Panther Creek and the broad open valley 
